NSN 5330-01-297-7577, 5330012977577
Cancelled -> Replaced by 5330014756124

Federal Supply Classification: FSC 5330 - Packing and Gasket Materials
National Item Identification Number: NIIN 012977577
Codification Country: United States
Item Name Code: INC 37840
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.

Availability: Readily Available Qualified Suppliers: We have 12 qualified suppliers

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DLMS^® Summary

National Stock Number 5330-01-297-7577

National Stock Number (NSN) 5330-01-297-7577, or NIIN 012977577, (gasket,spiral wound) was assigned April 6, 1989 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5330014756124.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 09, 2018. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5EM18V3492, SPE5EM18V3492. The total value of the awarded contracts has been US$ 408.00.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 37840. [A CIRCULAR OR MODERATELY NONCIRCULAR SHAPED ITEM WITH AN APERTURE. IT IS CONSTRUCTED OF SPRING-LIKE METAL STRIPS, PREFORMED INTO A VEE SHAPE, LAMINATED WITH A SOFT FILLER. IT IS DESIGNED TO SEAL BETWEEN TWO NONDEFORMING SURFACES. IT MAY HAVE AN INNER AND/OR OUTER, SOLID OR SPIRAL WOUND COMPRESSION RING(S).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5330012977577 does not contain precious metals.

This information was last updated on Jul 01, 2025.

Technical Characteristics

APERTURE DIAMETER: (ABVL) 2.609 INCHES MINIMUM AND 2.641 INCHES MAXIMUM
CROSS-SECTIONAL THICKNESS: (ADVM) 0.061 INCHES MINIMUM AND 0.068 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE: (AAGR) METAL WINDING W/ SOFT FILLER
END ITEM IDENTIFICATION: (AGAV) W/S: AIRCRAFT, (AC-130H, MC-130H, EC-130E, HC-130); AIRCRAFT, HERCULES C-130
OUTSIDE DIAMETER: (ABKV) 3.094 INCHES MINIMUM AND 3.156 INCHES MAXIMUM
MATERIAL: (MATT) CHLORITE AND STEEL COMP 304 SPIRAL WOUND FILLER
SPECIAL FEATURES: (FEAT) ASBESTOS FREE
STYLE DESIGNATOR: (STYL) CIRCULAR
MATERIAL: (MATT) CHLORITE SPIRAL WOUND FILLER AND STEEL COMP 304 SPIRAL WOUND FILLER